The recent fracking boom may do more harm than good for the climate if the U.S. EPA doesn’t do a better job of regulating methane releases. Even if it does, will cheap natural gas displace cleaner energy options like wind and solar?

Will a plan to ship coal—the leading source of CO2 pollution—from Montana to China be halted following environmental review by two federal agencies, amid early signs that China might be stepping away from coal as preferred energy source?

The Department of Justice announced that a federal court jury convicted Kurt Mix, a former engineer for BP plc, on one count of obstruction of justice for intentionally destroying evidence requested by federal authorities investigating the accident.

President Obama’s memorandum directing the federal government to consume 20 percent of its electricity from renewable sources by 2020 "will ensure the country is saving energy, reducing our carbon footprint, improving air quality, driving investment in clean technology, and creating jobs," Rick Fedrizzi said Dec. 5.